blob: 7ec233e2555827e5e491dedaf070886d82e550b4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* simplified linux fclose.c
Copyright (C) 1995 Joel N. Weber II
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <unistd.h>
#include "stdio.h"
int fclose (stream)
FILE *stream;
{
/* only allow fclose() on what was fopen()ed. */
/*
This isn't right, there's nothing wrong with fclosing stdin
but the next fopen/open will be given fd 0 and so become stdin
Of course you do have to be a little careful :-)
RDB
*/
if ((stream == stdin) || (stream == stdout) || (stream == stderr)) return EOF;
if (fflush(stream)) return EOF;
if (close(stream->fd)) return EOF;
free(stream->bufstart);
free(stream);
return 0;
}
|
